Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| OSU Tech | School | 380 | Oklahoma | 35 28 35 N | 097 35 01 W |
| Oswalt | Populated Place | 266 | Love | 34 01 39 N | 097 20 05 W |
| Oswalt Cemetery | Cemetery | 278 | Love | 34 02 01 N | 097 20 20 W |
| Otipoby Comanche Cemetery | Cemetery | 366 | Comanche | 34 42 48 N | 098 22 09 W |
| Otoe | Populated Place | 314 | Noble | 36 23 02 N | 097 11 00 W |
| Otoe Creek | Stream | | Lincoln | 35 44 54 N | 096 57 19 W |
| Otoe Creek | Stream | | Noble | 36 18 39 N | 097 02 27 W |
| Otoe-Missouria Cemetery | Cemetery | 274 | Noble | 36 29 04 N | 097 04 19 W |
| Otoe-Missouria Indian Agency | Locale | 268 | Noble | 36 29 28 N | 097 04 30 W |
| Otoe-Missouria Tribal Jurisdiction Statistical Area | Civil | 305 | Noble | 36 22 50 N | 097 02 31 W |
| Ott Cemetery | Cemetery | 193 | Coal | 34 37 28 N | 096 11 36 W |
| Ottawa | Populated Place | 276 | Ottawa | 36 51 24 N | 094 47 16 W |
| Ottawa County | Civil | 253 | Ottawa | 36 45 02 N | 094 48 01 W |
| Ottawa Indian Church | Church | 278 | Ottawa | 36 51 05 N | 094 46 56 W |
| Ottawa Township | Civil | 256 | Ottawa | 36 50 30 N | 094 47 21 W |
| Otter Creek | Stream | | Grady | 35 04 35 N | 097 55 24 W |
| Otter Creek | Stream | | Harper | 36 37 19 N | 099 44 56 W |
| Otter Creek | Stream | | Haskell | 35 16 44 N | 094 56 49 W |
| Otter Creek | Stream | | Kingfisher | 35 51 03 N | 098 08 42 W |
| Otter Creek | Stream | | Logan | 36 03 31 N | 097 33 21 W |
| Otter Creek | Stream | | McCurtain | 34 14 13 N | 094 40 11 W |
| Otter Creek | Stream | | Osage | 36 54 39 N | 096 43 30 W |
| Otter Creek | Stream | | Rogers | 36 14 01 N | 095 35 51 W |
| Otter Creek | Stream | | Tillman | 34 33 00 N | 099 10 21 W |
| Otter Creek Church | Church | 403 | Kiowa | 34 35 14 N | 099 01 05 W |
| Otter Creek Site 3 Dam | Dam | 463 | Kiowa | 34 47 00 N | 098 51 31 W |
| Otter Creek Site 3 Reservoir | Reservoir | 463 | Kiowa | 34 47 00 N | 098 51 31 W |
| Otter Creek Site 4 Dam | Dam | 462 | Kiowa | 34 45 54 N | 098 50 37 W |
| Otter Creek Site 4 Reservoir | Reservoir | 462 | Kiowa | 34 45 54 N | 098 50 37 W |
| Otter Creek Site 5 Dam | Dam | 458 | Kiowa | 34 44 42 N | 098 50 13 W |
| Otter Creek Site 5 Reservoir | Reservoir | 458 | Kiowa | 34 44 42 N | 098 50 13 W |
| Otter Creek Site 6 Dam | Dam | 437 | Kiowa | 34 43 18 N | 098 52 25 W |
| Otter Creek Site 6 Reservoir | Reservoir | 437 | Kiowa | 34 43 18 N | 098 52 25 W |
| Otter Hollow | Valley | | Atoka | 34 27 35 N | 095 47 28 W |
| Otter Valley School | School | 345 | Garfield | 36 18 12 N | 097 39 30 W |
| Otterbein United Methodist Church | Church | 410 | Woods | 36 48 12 N | 098 39 50 W |
| Ouachita Vocational Technical Camp | Locale | 206 | Le Flore | 34 44 57 N | 094 38 10 W |
| Our Church | Church | 333 | Garfield | 36 22 07 N | 097 34 07 W |
| Our Lady of Lake Catholic Church | Church | 214 | Tulsa | 36 08 27 N | 096 06 27 W |
| Our Lady of Victory School | School | 345 | McClain | 35 00 59 N | 097 21 49 W |
| Our Lords Community Church | Church | 363 | Oklahoma | 35 35 11 N | 097 35 06 W |
| Our Lords Lutheran Church | Church | 364 | Oklahoma | 35 34 50 N | 097 34 03 W |
| Our Savior Lutheran Church | Church | 204 | Bryan | 33 59 43 N | 096 23 39 W |
| Our Savior Lutheran Church | Church | 315 | Logan | 35 52 41 N | 097 24 45 W |
| Our Savior Lutheran Church | Church | 396 | Oklahoma | 35 29 37 N | 097 37 37 W |
| Our Saviours Lutheran Church | Church | 420 | Jackson | 34 39 08 N | 099 18 46 W |
| Our Saviours Lutheran Church | Church | 223 | Washington | 36 46 01 N | 095 55 01 W |
| Outlet Malls of America | Locale | 379 | Oklahoma | 35 34 24 N | 097 40 18 W |
| Outreach Ministries Church | Church | 339 | Comanche | 34 35 40 N | 098 24 51 W |
| Outreach Ministry of Love Church | Church | 201 | Tulsa | 36 11 35 N | 095 57 59 W |
| Overbrook | Populated Place | 229 | Love | 34 04 02 N | 097 08 28 W |
| Overbrook Oil Field | Oilfield | 228 | Carter | 34 05 35 N | 097 10 08 W |
| Overcup Bottoms | Flat | 199 | Nowata | 36 42 47 N | 095 34 29 W |
| Overholser Dam | Dam | 373 | Oklahoma | 35 29 06 N | 097 40 01 W |
| Overholser School | School | 391 | Oklahoma | 35 30 26 N | 097 39 09 W |
| Overton Cemetery | Cemetery | 809 | Beaver | 36 45 16 N | 100 38 58 W |
| Overton Lake | Reservoir | 451 | Grant | 36 38 42 N | 098 43 07 W |
| Overton Lake Dam | Dam | 451 | Grant | 36 38 42 N | 098 43 07 W |
| Owasso | Populated Place | 186 | Tulsa | 36 16 10 N | 095 51 17 W |
| Owasso Alternative High School | School | | Tulsa | 36 15 51 N | 095 51 03 W |
| Owasso Eighth Grade Center | School | | Tulsa | 36 16 43 N | 095 49 07 W |
| Owasso High School | School | | Tulsa | 36 16 43 N | 095 49 49 W |
| Owasso Lake | Reservoir | 180 | Tulsa | 36 16 33 N | 095 51 57 W |
| Owasso Lake Dam | Dam | 180 | Tulsa | 36 16 30 N | 095 51 55 W |
| Owasso Mid-High School | School | | Tulsa | 36 16 55 N | 095 49 49 W |
| Owasso Seventh Grade Center | School | | Tulsa | 36 17 05 N | 095 51 20 W |
| Owasso Sixth Grade Center | School | | Tulsa | 36 16 34 N | 095 49 48 W |
| Owasso Township | Civil | 208 | Tulsa | 36 17 05 N | 095 54 36 W |
| Owen | Populated Place | 221 | Washington | 36 59 57 N | 095 55 54 W |
| Owen Field | Park | 353 | Cleveland | 35 12 20 N | 097 26 22 W |
| Owen Park | Park | 208 | Tulsa | 36 09 36 N | 096 00 22 W |
| Owen School | School | 214 | Tulsa | 36 10 15 N | 095 55 33 W |
| Owens 2 Dam | Dam | 554 | Harper | 36 42 48 N | 099 32 31 W |
| Owens 2 Reservoir | Reservoir | 554 | Harper | 36 42 48 N | 099 32 31 W |
| Owens Creek | Stream | | Stephens | 34 30 56 N | 097 45 01 W |
| Owens Prairie Cemetery | Cemetery | 367 | Stephens | 34 34 47 N | 097 42 59 W |
| Owens Prairie Church | Church | 363 | Stephens | 34 34 48 N | 097 43 48 W |
| Owl Cove Recreation Area | Park | 511 | Washita | 35 37 19 N | 099 14 56 W |
| Owl Creek | Stream | | Atoka | 34 37 30 N | 096 01 21 W |
| Owl Creek | Stream | | Choctaw | 33 54 31 N | 095 28 34 W |
| Owl Creek | Stream | | Coal | 34 33 50 N | 096 23 03 W |
| Owl Creek | Stream | | Garvin | 34 47 24 N | 097 15 29 W |
| Owl Creek | Stream | | Kiowa | 34 41 50 N | 099 05 09 W |
| Owl Creek | Stream | | Le Flore | 35 06 39 N | 094 51 15 W |
| Owl Creek | Stream | | Pontotoc | 34 39 45 N | 096 32 00 W |
| Owl Creek Church | Church | 244 | Pontotoc | 34 42 06 N | 096 31 44 W |
| Owl Creek Site 1 Dam | Dam | 316 | McClain | 34 53 30 N | 097 17 37 W |
| Owl Creek Site 1 Reservoir | Reservoir | 316 | McClain | 34 53 30 N | 097 17 37 W |
| Owl Creek Site 10 Dam | Dam | 305 | McClain | 34 52 36 N | 097 15 43 W |
| Owl Creek Site 10 Reservoir | Reservoir | 305 | McClain | 34 52 36 N | 097 15 43 W |
| Owl Creek Site 11 Dam | Dam | 296 | McClain | 34 53 06 N | 097 14 01 W |
| Owl Creek Site 11 Reservoir | Reservoir | 296 | McClain | 34 53 06 N | 097 14 01 W |
| Owl Creek Site 12 Dam | Dam | 306 | McClain | 34 52 54 N | 097 13 07 W |
| Owl Creek Site 12 Reservoir | Reservoir | 306 | McClain | 34 52 54 N | 097 13 07 W |
| Owl Creek Site 13 Dam | Dam | 303 | McClain | 34 53 00 N | 097 13 43 W |
| Owl Creek Site 13 Reservoir | Reservoir | 303 | McClain | 34 53 00 N | 097 13 43 W |
| Owl Creek Site 14 Dam | Dam | 302 | McClain | 34 52 30 N | 097 13 19 W |
| Owl Creek Site 14 Reservoir | Reservoir | 302 | McClain | 34 52 30 N | 097 13 19 W |
| Owl Creek Site 15 Dam | Dam | 299 | McClain | 34 52 12 N | 097 13 43 W |
| Owl Creek Site 15 Reservoir | Reservoir | 299 | McClain | 34 52 12 N | 097 13 43 W |
| Owl Creek Site 2 Dam | Dam | 313 | McClain | 34 53 36 N | 097 17 19 W |
| Owl Creek Site 2 Reservoir | Reservoir | 313 | McClain | 34 53 36 N | 097 17 19 W |
| Owl Creek Site 3 Dam | Dam | 307 | McClain | 34 53 06 N | 097 16 49 W |
| Owl Creek Site 3 Reservoir | Reservoir | 307 | McClain | 34 53 06 N | 097 16 49 W |
| Owl Creek Site 4 Dam | Dam | 310 | McClain | 34 53 24 N | 097 15 55 W |
| Owl Creek Site 4 Reservoir | Reservoir | 310 | McClain | 34 53 24 N | 097 15 55 W |
| Owl Creek Site 5 Dam | Dam | 303 | McClain | 34 52 24 N | 097 15 07 W |
| Owl Creek Site 5 Reservoir | Reservoir | 303 | McClain | 34 52 24 N | 097 15 07 W |
| Owl Creek Site 6 Dam | Dam | 299 | McClain | 34 52 00 N | 097 17 01 W |
| Owl Creek Site 6 Reservoir | Reservoir | 299 | McClain | 34 52 00 N | 097 17 01 W |